Provided is a welding metal in which the chemical component composition thereof is appropriately controlled; an A value that is specified by a predetermined relational expression satisfies the requirement of being 3.8% to 9.0%; an X value that is specified by a predetermined relational expression satisfies the requirement of being 0.5% or greater; the area percentage of carbide particles having a circle-equivalent diameter of 0.20 μm or greater in the welding metal is 4.0% or less; and the number of carbide particles having a circle-equivalent diameter of 1.0 μm or greater is 1000 particles/mm2 or less. This welding metal, which can exhibit not only high strength but also good low-temperature toughness and good drop-weight characteristics, is useful as a material for a pressure vessel in a nuclear power plant.

A gamma prime nickel-base superalloy and components formed therefrom that exhibit improved high-temperature dwell capabilities, including creep and hold time fatigue crack growth behavior. A particular example of a component is a powder metallurgy turbine disk of a gas turbine engine. The gamma-prime nickel-base superalloy contains, by weight, 16.0 to 30.0% cobalt, 11.5 to 15.0% chromium, 4.0 to 6.0% tantalum, 2.0 to 4.0% aluminum, 1.5 to 6.0% titanium, up to 5.0% tungsten, 1.0 to 7.0% molybdenum, up to 3.5% niobium, up to 1.0% hafnium, 0.02 to 0.20% carbon, 0.01 to 0.05% boron, 0.02 to 0.10% zirconium, the balance essentially nickel and impurities, wherein the titanium:aluminum weight ratio is 0.5 to 2.0.

A gamma prime nickel-base superalloy and components formed therefrom that exhibit improved high-temperature dwell capabilities, including creep and hold time fatigue crack growth behavior. A particular example of a component is a powder metallurgy turbine disk of a gas turbine engine. The gamma-prime nickel-base superalloy contains, by weight, 18.0 to 30.0% cobalt, 11.4 to 16.0% chromium, up to 6.0% tantalum, 2.5 to 3.5% aluminum, 2.5 to 4.0% titanium, 5.5 to 7.5% molybdenum, up to 2.0% niobium, up to 2.0% hafnium, 0.04 to 0.20% carbon, 0.01 to 0.05% boron, 0.03 to 0.09% zirconium, the balance essentially nickel and impurities, wherein the titanium:aluminum weight ratio is 0.71 to 1.60.

After a reducing agent is added to a water reaction system containing silver ions to deposit silver particles by reduction, the silver particles are dried to obtain a silver powder which is heat-treated at a temperature of higher than 100° C. and lower than 400° C. The silver powder thus heat-treated has a maximum coefficient of thermal expansion of not greater than 1.5% at a temperature of 50° C. to 800° C., and has no heating peak when the silver powder is heated from 50° C. to 800° C. The silver powder has an ignition loss of not greater than 1.0% when the silver powder is ignited until the weight of the silver powder is constant at 800° C. The silver powder has a tap density of not less than 2 g/cm3 and a BET specific surface area of not greater than 5 m2/g.

Sliding parts are made of Pb-free Cu—Bi based sintered material. The side in contact with a shaft is machined to a predetermined roughness. A number of Bi phases are present on the finished surface. Stable performance of Bi is to be exhibited. Machined sintered material covers a portion of the Bi phases. The ratio of the exposed surface area of the Bi phases is 0.5% or more relative to the area of the finished surface.

A forging heat resistant steel of an embodiment contains in percent by mass C: 0.05-0.2, Si: 0.01-0.1, Mn: 0.01-0.15, Ni: 0.05-1, Cr: 8 or more and less than 10, Mo: 0.05-1, V: 0.05-0.3, Co: 1-5, W: 1-2.2, N: 0.01 or more and less than 0.015, Nb: 0.01-0.15, B: 0.003-0.03, and a remainder comprising Fe and unavoidable impurities.

New 6xxx aluminum alloy bodies and methods of producing the same are disclosed. The new 6xxx aluminum alloy bodies may be produced by preparing the aluminum alloy body for post-solutionizing cold work, cold working by at least 25%, and then thermally treating. The new 6xxx aluminum alloy bodies may realize improved strength and other properties.

Disclosed are: a casting aluminum alloy that is excellent in elongation as alternative properties of a high cycle fatigue strength and a thermal fatigue strength and is suitably usable for a casting for which both of the excellent high cycle fatigue strength and the excellent thermal fatigue strength are required, for example, an internal combustion engine cylinder head; a casting made of the aluminum alloy; a manufacturing method of the casting; and further, an internal combustion engine cylinder head composed of the aluminum alloy casting and manufactured by the manufacturing method of the casting. The casting aluminum alloy contains, in terms of mass ratios, 4.0 to 7.0% of Si, 0.5 to 2.0% of Cu, 0.25 to 0.5% of Mg, no more than 0.5% of Fe, no more than 0.5% of Mn, and at least one component selected from the group consisting of Na, Ca and Sr, each mass ratio of which is 0.002 to 0.02%.

There is provided a bearing for motor-powered fuel injection pumps, made from Cu—Ni-based sintered alloy, which is able to be obtained at a low cost, having excellent corrosion and abrasion resistances. The bearing contains 10 to 20% by mass of Ni, 5 to 13% by mass of Sn, 0.1 to 0.8% by mass of P, 1 to 6% by mass of C, and a remainder containing Cu and inevitable impurities, and is formed with a Ni—Sn—Cu—P phase containing at least 30% by mass of Sn in a grain boundary, and has a 8 to 18% porosity. The Ni—Sn—Cu—P phase contains 30 to 49% by mass of Ni, 10 to 30% by mass of Cu, 0.5 to 1.5% by mass of P, and a remainder containing Sn and inevitable impurities.

Nanostructured Mn—Al, Mn—Al—C permanent magnets are disclosed. The magnets have high coercivities (about 4.8 kOe and 5.2 kOe) and high magnetization values. An intennetallic composition includes a ternary transition metal modified manganese aluminum alloy Mn—Al—Fe, Mn—Al—Ni, or Mn—Al—Co having at least about 80% of a magnetic τ phase and permanent magnetic properties. The alloy may have a saturation magnetization value of at least 96 emu/g with approximately 5% ternary transition metal replacing Al. The alloy may also have a saturation magnetization value of at least 105 emu/g with 10% ternary transition metal replacing Al.

Methods for determining a recovery state of a metal alloy are disclosed herein. In one example, a fluctuation in a crystallographic grain orientation of the metal alloy is determined by utilizing electron backscatter diffraction (EBSD) data of the metal alloy. A processor of an electron backscatter diffraction machine utilizes a local orientation deviation quantifier to correlate the fluctuation in the crystallographic grain orientation of the metal alloy with a plastic strain recovery of the metal alloy. Other examples of the method are also disclosed herein.

Alloys and methods for preparing the same are provided. The alloys are represented by the general formula of (ZraAlbCucNid)100-e-fYeMf, wherein a, b, c, and d are atomic fractions, in which: 0.472≦a≦0.568; 0.09≦b≦0.11; 0.27≦c≦0.33; 0.072≦d≦0.088; the sum of a, b, c, and d equals 1; e and f are atomic numbers of elements Y and M respectively, in which 0≦e≦5 and 0.01≦f≦5; and M is selected from the group consisting of Nb, Ta, Sc, and combinations thereof.

The invention concerns steels having excellent resistance over time, in a corrosive atmosphere due to oxidizing environments such as, for example, fumes or water vapor, under high pressure and/or temperature. The invention concerns a steel composition for special applications, said composition containing, by weight, about 1.8 to 11% of chromium (and preferably between about 2.3 and 10% of chromium), less than 1% of silicon, and between 0.20 and 0.45% of manganese. It has been found that it is possible to adjust the contents of the composition based on a predetermined model, selected to obtain substantially optimal properties with respect to corrosion in specific conditions of high temperature performances. Said model can involve as additive of as residue at least one element selected among molybdenum, tungsten, cobalt, and nickel.

The distribution of Ni—Si compound grains is controlled to thereby improve the properties of Corson alloys. The copper alloy for electronic materials comprises 0.4 to 6.0% mass of Ni and 0.1 to 1.4% by mass of Si, with the balance being Cu and unavoidable impurities. The copper alloy comprising: small particles of Ni—Si compound having a particle size of equal to or greater than 0.01 μm and smaller than 0.3 μm; andlarge particles of Ni—Si compound having a particle size of equal to of greater than 0.3 μm and smaller than 1.5 μm. The number density of the small particles is 1 to 2000 pieces/μm2 and the number density of the large particles is 0.05 to 2 pieces/μm2.

A platinum-free silver alloy may include about 0.1% to 0.9% Au, about 83% to 90% Ag, about 2% to 3% Pd, about 3% to 5% Zn, about 2% to 8% Cu, about 0.01% to 0.4% B, about 0.1% to 0.3% Ge, and about 0.01% to 0.03% Ir.

A device includes a chemical hydride fuel pellet having a plurality of holes extending from a first end to a second end. A plurality of tubes formed of water vapor permeable and hydrogen impermeable material extend from the first end to the second end through the tubes. A container has an inlet for water vapor containing gas coupled to the first end of the tubes and an outlet coupled to the second end of the tubes. A hydrogen outlet is coupled to the fuel pellet.

In a reflow process, a plurality of solder bumps between a first workpiece and a second workpiece is melted. During a solidification stage of the plurality of solder bumps, the plurality of solder bumps is cooled at a first cooling rate. After the solidification stage is finished, the plurality of solder bumps is cooled at a second cooling rate lower than the first cooling rate.

Provided are a bake hardening steel having a crystalline grain size of ASTM No. 9 or more and a method for preparing the bake hardening steel by controlling the winding, rolling and cooling conditions. The bake hardening steel includes: C:0.0016˜0.0025%, Si:0.02% or less, P:0.01˜0.05%, S:0.01% or less, sol.Al:0.08˜0.12%, N:0.0025% or less, Ti:0.003% or less, Nb:0.003˜0.011%, Mo:0.01˜0.1%, B:0.0005˜0.0015% or less, balance Fe and other inevitable impurities, wherein % is weight %, and Mn and P satisfy the relation of −30(° C.)≧803P−24.4Mn−58.

A nickel-chromium-cobalt-molybdenum alloy includes (in weight %) Cr 21-23%, Fe 0.05-1.5%, C 0.05-0.08%, Mn≦0.5%, Si≦0.25%, Co 11-13%, Cu≦0.15%, Mo 8.0-10.0%, Ti 0.3-0.5%, Al 0.8-1.3%, P

Magnesium-based hydrogen storage alloys with addition of transition and rare earth elements were produced by conventional induction melting and by rapid solidification. The magnesium based-alloys of this invention posses reversible hydrogen storage capacities ranging from 3 to over 6 wt. %, and excellent performance on the hydrogen absorption and desorption kinetics.

Magnesium alloys containing: Y: 2.0-6.0% by weight Nd: 0-4.0% by weight Gd: 0-5.5% by weight Dy: 0-5.5% by weight Er: 0-5.5% by weight Zr: 0.05-1.0% by weight Zn+Mn:

A nickel-base superalloy is characterized by the following chemical composition (details in % by weight): 7.7-8.3 Cr, 5.0-5.25 Co, 2.0-2.1 Mo, 7.8-8.3 W, 5.8-6.1 Ta, 4.9-5.1 Al, 1.0-1.5 Ti, 1.0-2.0 Re, 0.11-0.15 Si, 0.1-0.7 Hf, 0-0.5 Nb, 0.02-0.17 C, 50-400 ppm B, remainder Ni and production-related impurities. The alloy is distinguished by a very high resistance to oxidation, resistance to corrosion and good creep properties at high temperatures.

A Cu—Ni—Mo alloy thin film, including Ni as a solution element and Mo as a diffusion barrier element. Ni and Mo are co-doped with Cu. The enthalpy of mixing between Mo and Cu is +19 kJ/mol, and the enthalpy of mixing between Mo and Ni is −7 kJ/mol. The atomic fraction of Mo/Ni is within the range of 0.06-0.20 or the weight faction of Mo/Ni within the range of 0.10-0.33. The total amount of Ni and Mo additions is within the range of 0.14-1.02 at. % or wt. %. A method for manufacturing the alloy thin film is also provided.

Basic zinc cyanurate fine particles are produced by subjecting a mixed slurry to wet dispersion using a dispersion medium at a temperature in the range of 5 to 55° C., the mixed slurry being formed by blending water, cyanuric acid, and at least one component selected from zinc oxide and basic zinc carbonate such that the cyanuric acid concentration is 0.1 to 10.0 mass % with respect to water.

The present invention provides a sputtering target suitable for producing an amorphous transparent conductive film which can be formed without heating a substrate and without feeding water during the sputtering; which is easily crystallized by low-temperature annealing; and which has low resistivity after the crystallization. An oxide sintered compact containing an indium oxide as a main component, while containing tin as a first additive element, and one or more elements selected from germanium, nickel, manganese, and aluminum as a second additive element, with the content of tin which is the first additive element being 2-15 atom % relative to the total content of indium and tin, and the total content of the second additive element being 0.1-2 atom % relative to the total content of indium, tin and the second additive element.

An object of the present invention is to provide a Ni-based superalloy, especially for a conventional casting, having a good balance among high temperature strength, corrosion resistance and oxidation resistance, as compared to a conventional material. The Ni-based superalloy comprises Cr, Co, Al, Ti, Ta, W, Mo, Nb, C, B, and inevitable impurities, the balance being Ni, the Ni-based superalloy having a superalloy composition comprising, by mass, 13.1 to 16.0% Cr, 11.1 to 20.0% Co, 2.30 to 3.30% Al, 4.55 to 6.00% Ti, 2.50 to 3.50% Ta, 4.00 to 5.50% W, 0.10 to 1.20% Mo, 0.10 to 0.90% Nb, 0.05 to 0.20% C, and 0.005 to 0.02% B.

Disclosed are metal-containing precursors having the formula Compound (I) wherein: —M is a metal selected from Ni, Co, Mn, Pd; and —each of R-1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are independently selected from H; a C1-C4 linear, branched, or cyclic alkyl group; a C1-C4 linear, branched, or cyclic alkylsilyl group (mono, bis, or tris alkyl); a C1-C4 linear, branched, or cyclic alkylamino group; or a C1-C4 linear, branched, or cyclic fluoroalkyl group. Also disclosed are methods of synthesizing and using the disclosed metal-containing precursors to deposit metal-containing films on a substrate via a vapor deposition process.

Provided is one aspect of copper alloy sheet containing 4.5% by mass to 12.0% by mass of Zn, 0.40% by mass to 0.90% by mass of Sn, 0.01% by mass to 0.08% by mass of P, as well as 0.005% by mass to 0.08% by mass of Co and/or 0.03% by mass to 0.85% by mass of Ni, the remainder being Cu and unavoidable impurities. The copper alloy sheet satisfies a relationship of 11≦[Zn]+7×[Sn]+15×[P]+12×[Co]+4.5×[Ni]≦17. The one aspect of copper alloy sheet is produced by a production process including a finish cold rolling process at which a copper alloy material is cold-rolled. An average grain size of the copper alloy material is 2.0 μm to 8.0 μm, circular or elliptical precipitates are present in the copper alloy material, and an average particle size of the precipitates is 4.0 nm to 25.0 nm, or a percentage of precipitates having a particle size of 4.0 nm to 25.0 nm makes up 70% or more of the precipitates.

In a copper-based slide member in which needle-shaped Mn—Si based compounds are dispersed in a brass structure, 50% or more of a total number of the needle-shaped Mn—Si based compounds having lengths of 50 μm or more in a major axis direction are constituted of a plurality of small particles. Thereby, even if the needle-shaped Mn—Si based compounds fall off during sliding, the small particles which constitute the needle-shaped Mn—Si based compounds may fall off. Thus, the frequency of falling off of the coarse needle-shaped Mn—Si based compound which damages a shaft and a bearing is decreased. Therefore, seizure hardly occurs.

A gripper assembly for use with a moving device is disclosed. The moving device can be a mechanical device such as a robot. The gripper assembly includes a platform and an elongate arm extending from the platform. The elongate arm is in the form of least one elongate member. Each elongate member has a body which has a proximal end and an opposed distal end. A gripping mechanism is rotatably supported relative to the arm, and includes a holder having a pivoting arm pivotably joined to the body in the region of the distal end of the body. An actuator is in operable communication with the pivoting arm to impart pivotable movement to the pivoting arm and rotational movement to said gripping mechanism about a horizontal axis upon actuation of the actuator. The gripper assembly may have a center of mass substantially aligned with a vertical rotation axis of the gripper assembly.

An apparatus for safely retaining an eye implant lens for transport and access for inspection and use in which a holding apparatus has a chamber for holding a lens. In one embodiment the chamber has a pin on which a lens can be placed and a ramp leading to the pin so that a gripping member can slide up the ramp into proper placement to grip the lens and remove it. The gripper can be configured so that after removing the lens from the holding apparatus, it can be used to implant the lens. Also, a system including the apparatus and a bottle assembly that will hold the apparatus in the bottle. A method for holding an eye implant lens in which a lens is placed in the apparatus which can then be placed in a bottle assembly.

The present invention is directed to a single handle post hole digger. The single handle of the post hole digger includes an outer elongated vertical handle and an inner elongated vertical shaft that is located within the outer handle. The post hole digger includes two blades used to cut into the ground and to loosen soil when open and then used to capture and remove soil when closed. The single handle configuration allows for deeper holes as the holes do not have to accommodate the opening action of the handles as in traditional diggers.

Systems and methods for gripper finger release assemblies for specimen gripper units are disclosed. Embodiments of the invention include release elements to enable replacement of gripper fingers without the need of tools or without the need to demount and mount the entire gripper unit for exchange of gripper fingers. A release element may comprise a first sliding element and a second sliding element coupled to a plate such that pressing the second sliding element enables the first sliding element to release a gripper finger coupled to the first sliding element.

A blowout preventer (BOP) lifting apparatus has a reinforced frame and a gate for securing a BOP stack. The frame has a central U-shaped recess for securing a collared portion of the BOP stack. The gate pivotally swings between a closed position on the frame and an open position for installation and removal of the lifting apparatus from the BOP stack. An actuator has a first end connected to a top surface of the frame and a second end connected to the gate for actuating the opening and closing of the gate to the frame. When the gate is in the closed position, three locking pins are inserted into three vertical pinning holes located on the frame, which are aligned with three pinning holes located on the gate. The apparatus may be lifted via cables or other lifting mechanisms attached via lifting eyelets located on each corner of the frame.

A combination support stand and carrying handle apparatus for use with an associated tablet device having a generally rectangular conformation with opposite front and back substantially planar surfaces. The apparatus includes a mounting member, a handle member, and a support stand for holding the associated tablet device on surfaces at selected angles for convenience of use of the tablet device. The carrying handle is grippable by the hand of an associated user. The support stand apparatus and carrying handle apparatus may be provided individually without the other.

A socket organizer includes a planar member having a plurality of recessions to receive various sized tool elements, such as sockets. A portion of the planar member is magnetized to enable the device the ability to securely, but removably, retain each socket when placed into an individual recession. The planar member is rotatingly secured to a support stand. A mechanical connection between the planar member and support stand is provided with a series of detents to enable a user to rotate the planar member to a desired position for access to a particular socket held within the device.

A cargo strap with carrying handle and mechanism for securing the cargo strap around a load. A first end of the cargo strap is preferably removably anchored to the strap securing mechanism by a clevis pin that permits rapid and easy disconnection of the first end of the cargo strap from the strap securing mechanism. The second end of the cargo strap is retained within the strap securing mechanism and prevented from removal therefrom by a stop proximate the second end of the cargo strap. The stop is preferably constructed as a loop formed in the second end of the cargo strap and sewn to the strap with a strap flap portion intermediate the second end of the cargo strap and the strap securing mechanism. The strap securing mechanism preferably has either a ratchet style mechanism with a reel or a modified cam buckle mechanism.

An apparatus for closing opened packaging includes a base having an upper surface and a lower surface, a strap attached to the base, and two complementary handle sections attached to the base. The handle sections extend upwardly from the upper surface of the base, and together form a grippable handle. A space exists between the handle sections to receive the strap therethrough. The handle sections can be releasably attached to each other.

Systems, methods, and apparatus are provided to enable a vacuum tool to have a switchable plate, such that a common vacuum tool may be adapted with different plates. A switchable plate may form the entirety of the vacuum tool's material contacting surface or a switchable plate may form a portion of the material contacting surface. The vacuum tool is effective for picking and placing one or more manufacturing parts utilizing a vacuum force.

A floating retrieval device that can be either manually launched or automatically launched via a compression spring.

A suction gripper for transferring ophthalmic lenses from a storage cup into a centering cup has a suction head with several suction openings and several suction cups, wherein the suction cups are positioned on a convexly rounded surface. At least some of the suction openings are arranged in the suction cups and at least one suction opening is arranged remote from the suction cups on the suction head. The suction gripper is used in a manipulation system for ophthalmic lenses that encompasses ophthalmic lenses, a storage cup, a centering cup and the suction gripper.

A multipurpose tool and method usable to remove debris and/or other retentate from a skimmer basket or a filter associated with a swimming pool, and/or to remove the skimmer well lid and the skimmer basket and/or filter from a skimmer well. The tool comprises two elongate members pivotally connected, each elongate member having a protrusion connected thereto at one end and a handle at the other. Each elongate member can have a scooping element connected thereto. The protrusions can point away from each other and can be adapted to move away from each other in response to the handles being moved towards each other.

A tool for retrieval of dropped and other items includes an elongated rod member having a first end and an opposite second end, with a handle mounted at the first end of the rod and defining a user gripping surface, and a retrieval member mounted at the second end of the rod and defining a lower planar retrieval surface. The retrieval member includes a magnet and the lower planar retrieval member surface defines a sticky surface region, both for attachment and retrieval of dropped and other items.

A vacuum-lifting device of variable configurations includes a first slat element, a second slat element, and four suction members. The first slat element is detachably fixed to the second slat element, and the first slat element intersects with the second slat element defining an intersection. A first slot is defined in the first slat element and a second slot is defined in the second slat element. Two of the four suction members are translatably secured in the first slot. The other two of the four suction members are translatably secured in the second slot.

A system for lifting a vehicle via multiple slings comprises a vehicle not engineered with structural facility to withstand lifting forces, including a frame which unmodified will deform in response to vertically imposed lifting forces, frame reinforcing elements affixed to the frame at selected locations which are subject to lifting deformation, at least two lifting members at spaced-apart forward frame locations, at least two lifting members at spaced-apart rearward frame locations, and a plurality of elongate slings extending respectively between each lifting member and a common lifting vertex. Each lifting member has an enlarged lower base portion rigidly affixed to the frame and an upper lifting portion. The frame reinforcing elements resist deformation of the frame in response to vertically imposed lifting forces. The enlarged base portions of the lifting members apply forces over a correspondingly enlarged area of the frame and the reinforcing elements without deforming the frame.

A robot hand includes a finger unit that is in contact with an object. The finger unit includes: a first member in which a tip portion and a base portion connected to the tip portion are formed as a single member; and a second member that covers a surface of the first member.

According to one embodiment, A chucking apparatus includes an arm that is configured to hold a test tube, an opening/closing mechanism that opens/closes the arm, a motor that drives the opening/closing mechanism, and a supplying unit configured to supply electric power to the motor at two different supply voltages.

A mechanical capstan amplifier. The mechanical capstan amplifier (60) having a first tensioner (64) with a first actuating rod (72) extending therefrom. The first tensioner (64) is configured to rotate the first actuating rod (72). The amplifier (60) also includes a drive motor (62) having a drive rod (78) extending therefrom. The drive motor (62) is configured to rotate the drive rod (78). A first cord (66), extending between the first actuating rod (72) and a first load to be moved also extends at least partially around the drive rod (78). Actuation of the first tensioner (64) causes the first cord (66) to tighten around the drive rod (78) and moves the load.

A pick up mechanism includes a pick up rod, a pick up head, and a resisting assembly. The pick up head is assembled to an end of the pick up rod. The resisting assembly includes a guiding seat, a resisting member, a pair of guiding rods, and a pair of elastic members. The guiding seat is fixedly sleeved on the pick up rod, the resisting member slidably shields the pick up head. The pair of guiding rods is fixed on the guiding seat, and blocks the resisting member. The pair of elastic members is resisted between the guiding seat and the resisting member, wherein the pick up head is exposed or shielded by moving the resisting member relative to the pick up rod.

A cleaning assembly including a disposable cleaning implement having a cleaning element mounted to a fitment having an elongated post. The cleaning assembly includes an elongated maneuvering wand having a handle portion and a distal implement attachment end thereof. A gripping mechanism is coupled to the wand attachment end, and is configured to releasably grip the fitment post to mount the cleaning implement. The gripping mechanism and the maneuvering wand cooperate to substantially limited pivotal movement of a longitudinal axis of the fitment post, relative a longitudinal axis of the gripping mechanism to not more than about 0 degrees to about 25 degrees when the fitment post is subjected to forces radial to the longitudinal axis of the fitment post. In another aspect, the frictional drag between the sliding components is significantly reduced, enabling a tool assembly with a high axial holding force for the cleaning implement, but with a significantly lower, consumer friendly release force for the Implement during release operation of the tool assembly.